Directory of licensees
Subtitle: API Engine Oil Licensing and Certification System
By: Manufacturing, Distribution, and Marketing Department.
Contributors: American Petroleum Institute. Manufacturing, Distribution, and Marketing Dept.
Series: API publication ;; 1520
Publisher: American Petroleum Institute
Published: 1995
Place of publication: Washington, D.C. (1220 L St., N.W., Washington 20005)
Language: eng
Subjects: Lubricating oils -- United States -- Directories.; Lubricating oil additives industry -- Certification -- United States -- Directories.
Notes: "June 15, 1995."